@article{ref1,
title="Police officers' responses to 8 and 12 hour shift schedules",
journal="Ergonomics",
year="1983",
author="Peacock, B. and Glube, R. and Miller, Margaret and Clune, P.",
volume="26",
number="5",
pages="479-493",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}